@Book{sitereport_628,
 author = "久保, 浩一郎",
 title = "上大豆塚遺跡",
 volume = "",
 publisher = "佐久市教育委員会 and 佐久市教育委員会文化財課",
 year = 2014,
 series = "佐久市埋蔵文化財調査報告書",
 number = "217",
 url = https://sitereports.nabunken.go.jp/628,
 }